Home / 132,001.10-198,001.65-100,897.10

Finding the Fourth Proportional to 132,001.10, 198,001.65 and 100,897.10

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Solution

The fourth proportional to 132,001.10, 198,001.65 and 100,897.10 is: 151,345.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,001.10 : 198,001.65 = 100,897.10 : x
  2. Step 2: Convert to fraction form
    132,001.10/198,001.65 = 100,897.10/x
  3. Step 3: Cross multiply
    132,001.10x = 198,001.65 × 100,897.10
  4. Step 4: Simplify right side
    132,001.10x = 19,977,792,280.22
  5. Step 5: Solve for x
    x = 19,977,792,280.22/132,001.10
  6. Step 6: Final answer
    x = 151,345.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.